package cn.itcast.crm.dao;


import java.util.List;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;

import cn.itcast.crm.domain.Customer;

public interface CustomerRepository extends JpaRepository<Customer, Integer> {

	public List<Customer> findByFixedAreaIdIsNull();

	public List<Customer> findByFixedAreaId(String fixedAreaId);

	//删除外键 null
	@Query(value="update Customer set fixedAreaId = null where fixedAreaId = ?")
	@Modifying
	public void clearFixedAreaId(String fixedAreaId);

	//更新外键
	@Query(value="update Customer set fixedAreaId = ?2 where id = ?1")
	@Modifying
	public void associationCustomersToFixedArea(int customerId, String fixedAreaId);

	

}
